JPH0328285Y2 - - Google Patents

Description

[Detailed description of the invention] (a) Industrial application field The present invention relates to an electrical equipment box installed in a refrigerated case or a low-temperature storage such as a refrigerator.

(b) Prior Art Electrical equipment boxes that are placed in, for example, refrigerators and are equipped with electrical components such as temperature regulators are disclosed in Japanese Utility Model Publication No. 13273/1983 and Japanese Utility Model Publication No. 35989/1983.

Here, Utility Model Publication No. 58-13273 and Utility Model Number 58
In the temperature control mounting box or control case shown in Publication No. 35989, since an opening is formed only on one side, the installation work of electrical components such as a temperature controller must be done through the opening on one side. The installation work becomes complicated, and it is necessary to form a temperature control mounting box etc. around the electrical components so that there is a space to put your hands in during installation.The volume of the mounting box etc. becomes large, and the manufacturing cost of the mounting box etc. increases. When the temperature control mounting box or control case is installed so that the opening is blocked by the internal wall of the refrigerator, it is necessary to remove the temperature control mounting box or control case every time the electrical components are inspected. can be,
A drawback has been that the inspection work becomes complicated.

(c) Purpose of the invention The purpose of the invention is to solve the conventional drawbacks, simplify the installation work of electrical components,
Another object is to improve the operability of opening and closing the closing member constituting the electrical equipment box.

(d) Structure of the invention In order to achieve the above object, the present invention has a pair of openings on two adjacent sides and having elongated grooves along the opposite upper and lower edges of one of the openings. a main body in which a track is formed; an insertion part that engages with both the tracks of the main body and has a track to be inserted into the groove formed along both upper and lower edges and inserted into the one opening; It consists of a rotating part that freely opens and closes the other remaining opening of the main body, and a closing member that includes a hinge part to which the insertion part and the rotating part are connected, and the end edge of the other remaining opening and the An engaging piece is formed on one end edge of the rotating portion, and a receiving portion that pairs with the engaging piece is formed on the other end.

(E) Embodiment An embodiment of the present invention will be described below with reference to FIGS. 1 to 9.

Reference numeral 1 denotes a low-temperature refrigerator, which is a refrigerated case for storing ice cream, etc. For example, the main body 1', which is constructed of an insulated box, has an opening on the front of the upper surface thereof, which is closed by sliding transparent doors 2, which can be opened and closed. A compressor 3 and a cooling device such as a condensing pipe 4 are installed in the lower part of the low-temperature storage 1, and a cover 5 is provided on the back which is detachable.
An opportunity chamber 5 covered by ' is formed.
The opportunity chamber 5 also has a temperature regulator 6, a condenser 7 for starting the compressor, and a condenser 7' for operation.
An electrical equipment box 8, in which electrical parts such as the following are attached with screws 6B, 6B, 7B, etc., is attached to the cover 5' with screws 8'.

The electrical equipment box 8 includes a closing member 1 made of a resin molded product.
5 and a main body 20, the closing member 15 closes the back surface so as to be openable and closable, and has an engaging portion 1 on the top and bottom of the end face extending outward and further bent forward into a substantially L-shape at the tip.
1a', 11b', a rotating portion 9 in which flexible engaging pieces 11a, 11b are formed, and a retaining piece 12 extending outward is formed in the center; Rotating portion 9 at bendable hinge portion 13
and an insertion portion 14 that is connected to the insert portion 14 and slidably closes one side. The main body 20 also includes a second side plate 1 forming a side surface facing the insertion portion 14.
6. It is composed of a top plate 17, a bottom plate 18, and a front plate 19, and one opening 20A on one side and the other opening 20B on the back are formed adjacent to each other. Here, the insertion portion 14 of the closing member 15
A starting capacitor 7 is connected near the hinge part 13 by a flexible capacitor band 7'' passed through the band openings 14', 14' of the insertion part 14.
is attached, and this starting capacitor 7 has a first support portion 9a formed integrally with the rotating portion 9, for example, at a proper location of the rotating portion 9, and a first supporting portion 9a integrally formed with the inserting portion 14, for example, at a proper location of the inserting portion 14. It is supported by second and third support portions 30 and 31.
Note that the first support portion 9a holds the closing member 15 against the main body 20.
When the opening surface is closed, the starting capacitor 7 comes into contact with the side surface of the starting capacitor 7, and supports the starting capacitor 7 together with the second support portion 30 which also contacts the side surface of the starting capacitor 7. Also, the third support portion 3
1 supports the lower surface of the starting capacitor 7 after the starting capacitor 7 is attached to the insertion part 14 by a band 7''.

Further, on both the upper and lower parts of the end face 16a of the second side plate 16, there are receiving parts 21 corresponding to the engaging pieces 11a and 11b.
a, 21b are formed. These receiving parts 21
a, 21b are formed with openings 21a', 21b' through which the engaging pieces 11a, 11b are inserted, and when the rotating portion 9 is closed, the engaging pieces 11a, 11b are inserted into the receiving parts 21a, 21.
b is inserted into the openings 21a', 21b', and the receiving parts 21a,
Engaging portions 11a' and 11b' are locked to 21b. or,
A notch 23 for drawing out the wiring 22 is formed in the lower end of the second side plate 16, and a substantially U-shaped elastic wiring is formed in the appropriate position corresponding to the holding piece 12 of the rotating portion 9. A support piece 24 is formed. Furthermore, an opening 19' is formed approximately in the center of the front plate 19, from which a knob 6' of the temperature regulator 6 faces. or,
First and second pieces 28a, 28b, 29a, 29b are branched at appropriate positions on both upper and lower edges of the insertion portion 14, and the vertical distance gradually increases toward the hinge portion 13.
Tracks 28 and 29 are formed, and at both ends of the upper and lower double-sided plates 17 and 18 of the main body 20, inner pieces 33a and 34a and outer pieces are provided which face each other in the longitudinal direction and extend substantially parallel to each other upward or downward. Raceways 33A, 34A consisting of 33b, 34b and in which grooves 33, 34 are formed.
are formed, and outer pieces 33b, 34b are formed at the tips of the inner pieces 33a, 34a of these tracks 33A, 34A.
contact pieces 33a', 34a' are formed by bending toward
The tracks 28, 29 of the closing member 15 are placed in the grooves 33, 34.
is inserted. Moreover, one opening 20 of the main body 20
The edge 14A of the insertion portion 14 is on the edge in the vertical direction of A.
A groove 40 into which is inserted is formed. In addition, 3
Reference numeral 5 represents an outlet through which a portion of the wiring 22a is drawn out, and 36 represents a support piece that supports the wiring 22a. Moreover, the drawer opening 35 and the support piece forming opening 36'
is sealed with adhesive tape or the like.

Here, a flexible binding band 25 is passed through the opening 21a' of the upper side receiving part 21a of the second side plate 16, and the wiring 22 connected to the capacitor 7 and the temperature regulator 6 and pulled out from the notch 23 are bundled with a binding band 25 and fixed to the receiving part 21a, and furthermore, the wiring 22 is supported inside the wiring support piece 24 and is held down by the pressing piece 12 of the rotating part 9. In addition, when the wiring 22 has a connection part 22' made of, for example, a resin-encased crimp terminal outside the electrical equipment box 8, the pre-bundled wiring 22 is covered with a waterproof bag 26 made of transparent polyethylene or the like from above.
The binding band 25 is fastened to the receiving part 21a with the opening 26' facing downward. Note that the binding band 25 is passed through the opening 21a' of the receiving portion 21a, and the engagement piece 11
a is inserted into the opening 21a, so the opening 21
Due to the friction between the circumferential surface of a′ and the locking piece 11a and the binding band 25, the binding band 25
5 will not come off from the receiving portion 21a.

Further, a tube 37 extending from the electrical equipment box 8 to the temperature sensing section and wiring 22', 22a' are connected to the temperature regulator 6, and the knob 6' is attached via a rotating shaft.

Therefore, before closing the two-sided openings 20A and 20B of the main body 20 with the closing member 15, the two-sided openings 2
The operator can easily perform the installation work by inserting a tool such as a screwdriver from the other opening 20B while holding down the temperature regulator 6, which is an electrical component, with his or her fingers from one opening 20A of 0A and 20B. Furthermore, when installing electrical components, there is no need to create unnecessary space around the electrical components to access the electrical components, and the volume of the electrical component box 8 itself can be reduced, reducing the manufacturing cost of the electrical component box 8. You can also try it out.

Furthermore, when closing the two-sided openings 20A and 20B of the main body 20 with the closing member 15, the hinge portion 1
3 and while checking the inside, insert the tracks 28, 29 of the insertion part 14 into the tracks 33A, 34A of the main body 20, and then remove the second pieces 28b, 2 of the tracks 28, 29.
9b and the contact pieces 33a', 34 of the tracks 33A, 34A
a' to close one opening 20A, and bend the hinge portion 13 with the rotating portion 9 rotated to insert and engage the engaging pieces 11a and 11b into the receiving portions 21a and 21b. Therefore, the closing member 15 can be attached easily and in a short time without using screws, etc., and the engagement pieces 11a, 11b and the receiving part 2
The closing member 15 can also be easily removed by releasing the engagement relationship with 1a and 21b and pulling out the insertion portion 14 from one opening 20A.

In addition, it is possible to prevent dust from entering the electrical equipment box 8 whose openings 20A and 20B on two sides of the main body are closed by the closing member 15, and even if dew drips into the electrical equipment box 8 through the tube 37, etc. 33A and 34A can be prevented from entering the box, and electrical components will not malfunction or malfunction due to dew.

In addition, when the tracks 33A and 34A are formed so that the front plate 19 and the rotating portion 9 are tilted downward toward either one, or when the electrical equipment box 8 is installed so as to be tilted, dew does not form. It flows down smoothly and the above-mentioned effects can be further improved.

The openings on two sides of the main body 20 of the electrical equipment box 8 are not limited to the back and one side as in the above embodiment, but may be on two adjacent sides, for example, the top and side. Further, similar effects can be obtained by forming the tracks 33A, 34A at the edges of the closing member and forming the tracks 28, 29 at opposing edges of one opening of the main body 20.

Furthermore, even if the electrical equipment box 8 is provided in a machine room such as a refrigerated show case, the same effects as in the above embodiment can be obtained.

Furthermore, when the insertion part 14, the rotating part 9, and the hinge part 13 are integrally molded, the manufacturing cost of the closing member 15 can be reduced, and the additional cost of the electrical equipment box 8 can be further reduced. can be achieved.

(f) Effects of the invention According to the invention described above, when attaching a closing member that serves as a large lid to the main body, it is possible to attach the closing member to the main body in the groove of the track formed along the opposing upper and lower edges of one opening of the main body. Since the track of the insertion part of the closure member can be formed into a box shape by simply inserting the track, the closure member can be attached with an extremely simple operation of simply inserting the insertion part, and the rotating part can be easily controlled by the hinge part. The rotating part, which becomes a small lid, can be easily attached by rotating and engaging the engagement piece with the receiving part, and as a result, the rotating part can be attached extremely easily. The electrical box can be assembled quickly without using screws or screws, and the size of the opening of the main body can be changed by selecting a closing member that becomes a large lid and a rotating part that becomes a small lid. This has the effect of simplifying the installation and maintenance inspection of electrical components stored in the electrical equipment box.

[Brief explanation of drawings]

1 to 9 show an embodiment of the present invention,
FIG. 1 is a perspective view of the low temperature refrigerator, FIG. 2 is a rear perspective view of the low temperature refrigerator shown in FIG. 1, FIG. 3 is a perspective view of the closing member, and FIGS. 4 and 5 are perspective views of the main body. Figure 6 is a vertical cross-sectional view taken along line A-A' when the temperature controller etc. are attached to the main body shown in Figure 4, Figure 7 is a vertical cross-sectional view of the front part of the main body, and Figure 8 is a perspective view of the electrical box. FIG. 9 is a perspective view of the wiring fixed to the electrical equipment box. 8... Electrical box, 9... Rotating part, 11a, 11
b...Engaging piece, 13...Hinge portion, 14...Insert portion, 15...Closing member, 20...Main body, 20
A, 20B...Opening, 21a, 21b...Receptacle,
28, 29... Orbited, 33A, 34A... Orbit.

Claims (1)

[Claims for Utility Model Registration] 1. A main body with two adjacent sides open and a pair of tracks each having elongated grooves along the opposing upper and lower edges of one of the openings. an insertion portion that engages with both tracks of the main body and has tracks inserted into the grooves formed along both upper and lower edges and is inserted into the one opening; an insertion portion that opens and closes the other remaining opening of the main body; It consists of a rotating part that can be freely closed, a closing member having a hinge part to which the insertion part and the rotating part are connected, and the edge of the remaining opening and the edge of the rotating part are connected to each other. An electrical equipment box characterized in that an engaging piece is formed on one of the boxes, and a receiving part that pairs with the engaging piece is formed on the remaining other side. 2. The electrical equipment box according to claim 1, wherein the insertion part and the rotating part of the closing member are integrally formed by the thin hinge part.